.lang{
    position: fixed;
    right: 0;
    top: 20%;
    opacity: 0.8;
    }

.lang a{
    width: 40px;
    height: 40px;
    background-color: #cccccc;
    color: white;
    text-decoration: none;
    display: block;
    
    line-height: 40px;
    text-align: center;
    font-family: 'Arial';
    font-weight: bold;
    font-size: 16px;
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    }

.lang a:hover{
    text-decoration: none;
    color: black;
    background-color: #eeeeee;
    opacity: 1;
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    }


.backtotop a{
    width: 40px;
    height: 40px;
    background-color: #cccccc;
    color: white;
    text-decoration: none;
    display: inline-block;
    
    line-height: 40px;
    text-align: center;
    font-size: 25px;
    
    position: fixed;
    right: 0;
    top: 70%;
    opacity: 0.8;
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    }

.backtotop a:hover{
    text-decoration: none;
    color: black;
    background-color: #eeeeee;
    opacity: 1;
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out, opacity .25s ease-in-out;
    }


.clear{
    clear: both;
    }


body{
    padding: 0;
    margin: 0;
    }

.body_wrap{
    width: 100%
    
    position: relative;
    }
    
.header{
    width: 960px;
    height: 150px;
    margin: 0 auto;
    line-height: 150px;
    padding: 40px 20px 0 20px;
    }

.banner{
    width: 100%;
    min-width: 1000px;
    height: 700px;
    /*background-image: url('/images/banner_01.jpg'); */
    background-image: url(/uploads/gallery_item/file/648/banner_2021.jpg);
    background-size: cover;
    background-position: center top;
    margin-bottom: 100px;
    }
    
.banner_btn{
    width: 1000px;
    margin: 0 auto;
    
    padding-top: 400px;
    }
    
.banner_btn a:link, .banner_btn a:visited{
    width: 170px;
    height: 170px;
    
    color: #4d4d4d;
    text-align: center;
    font-family: 'arial';
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
    
    display: block;
    float: left;
    margin-left: 2.5%;
    background-color: rgba(255, 255, 255, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
    }

.ob{
    line-height: 170px;
}
a.ob:hover{
    color: white;
    background-color: rgba(65, 208, 64, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
}

.ma{
    line-height: 170px;
}
a.ma:hover{
    color: white;
    background-color: rgba(1, 176, 231, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
}

.ir_eng{
    padding-top: 60px;
    height: 110px !important;
}
a.ir_eng:hover{
    color: white;
    background-color: rgba(109, 50, 142, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
}

.ir_cht{
    line-height: 170px;
}
a.ir_cht:hover{
    color: white;
    background-color: rgba(109, 50, 142, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
}

.pd_eng{
    padding-top: 50px;
    height: 120px !important; 
}
.pd_cht{
    line-height: 170px;
}


a.pd_eng:hover{
    color: white;
    background-color: rgba(229, 38, 35, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
}

a.pd_cht:hover{
    color: white;
    background-color: rgba(229, 38, 35, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
}



.con{
    line-height: 170px;
}
a.con:hover{
    color: white;
    background-color: rgba(205, 155, 29, 0.9);
    
    -webkit-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -moz-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    -o-transition: color .25s ease-in-out, background-color .5s ease-in-out;
    transition: color .25s ease-in-out, background-color .5s ease-in-out;
}
    
.terms{
    color: black;
    text-decoration: none;
    font-size: 12px;
    }

.content_wrap{
    width: 1000px;
    margin: 0 auto;
    margin-bottom: 50px;
    font-family: 'arial';
    }


.content{
    padding-top: 30px;
    margin-bottom: 100px;
    
    min-height: 300px;
    }


.content_ob_title{
    font-size: 40px;
    color: rgb(65, 208, 64);
    margin-bottom: 30px;
    }

.content_ma_title{
    font-size: 40px;
    color: rgb(0, 173, 241);
    margin-bottom: 30px;
    }
    
.content_ir_title{
    font-size: 40px;
    color: rgb(109, 50, 142);
    margin-bottom: 30px;
    }
    
.content_pd_title{
    font-size: 40px;
    color: rgb(228, 39, 35);
    margin-bottom: 30px;
    }
    
.content_con_title{
    font-size: 40px;
    color: rgb(250, 155, 29);
    margin-bottom: 30px;
    }

.content_text{
    font-size: 16px;
    line-height: 26px;
    
    padding-bottom: 30px;
    color: #4d4d4d;
    }
    
.anno{
    width: 960px;
    height: 400px;
    overflow: scroll;
    
    
    padding: 10px 20px;
    background-color: #eeeeee; 
    
    font-size: 12px;
    }

.tb_date_title{
    width: 100px;
    margin-right: 20px;
    line-height: 20px;
    text-align: left;
    
    padding: 10px 0 10px 20px;
    background-color: #cccccc; 
    font-size: 16px;
    }
.tb_name_title{
    width: 960px;
    line-height: 20px;
    text-align: left;
    
    padding: 10px;
    background-color: #cccccc; 
    font-size: 16px;
    }

.tb_date{
    width: 100px;
    margin-right: 20px;
    line-height: 20px;
    text-align: left;
    vertical-align: top;
    padding-top: 5px;
    }
.tb_name{
    width: 800px;
    line-height: 20px;
    text-align: left;
    }
    
.update_anno{
    width: 940px;
    height: 20px;
    overflow: hidden;
    }

.years{
    float: right;
    }

.years select{
    width: 100px;
    margin-bottom: 5px;

    }
    
    
    
.footer{
    width: 960px;
    height: 20px;
    margin: 0 auto;
    line-height: 20px;
    padding: 40px 20px 0 20px;
    text-align: center;
    color: #4d4d4d;
    font-size: 14px;
    }

.powered{
    width: 960px;
    height: 20px;
    margin: 0 auto;
    line-height: 20px;
    padding: 0 20px 0 20px;
    text-align: center;
    color: #4d4d4d;
    font-size: 11px;
    }